var x : number = 0;
assert.sameValue (x, 0, 'The value of `x` is 0');
var y ! : any;
assert.sameValue (y, undefined, 'The value of `y` is expected to equal `undefined`');
var y ! : any;
assert.sameValue (y, undefined, 'The value of `y` is expected to equal `undefined`');
this.y ++;
assert.sameValue (isNaN (y), true, 'isNaN(y) returns true');
var string : string = "/*var y = 0*/";
assert.sameValue (string, "/*var y = 0*/", 'The value of `string` is "/*var y = 0*/"');
var string : string = "/*var y = 0";
assert.sameValue (string, "/*var y = 0", 'The value of `string` is "/*var y = 0"');
